The terrifying and pure power of destruction rushed into the dark caves with indescribable fluctuations and hit the evil giant mouth that was retreating step by step.

"Bang--"

The moment of impact, a terrifying loud noise echoed directly in the cave. The surrounding mountain walls were all broken at this moment, and the place where the Ninth Heavenly Demon King was sealed and suppressed was no longer there.

Under such an impact, the evil giant mouth collapsed almost instantly, and the black air spreading around it also disappeared at an astonishing speed. Then, the figure of the Ninth Heaven Demon King was finally completely exposed.

"ah--"

At the moment when the Ninth Heavenly Demon King was exposed, two heaven and earth Yuan Dans roared and stopped at the same time, and then in his terrifying sight, he directly rushed towards where his body was.

"I will not die here! Even if I die, I will bring you to bury me!"

The ninth heavenly demon king's shrill roar sounded instantly, and the voice was full of reluctance and anger. However, his roar like this could not change the occurrence of anything. That day's Thunder Pill and Ice Lotus Pill fell on him almost at the same time, and then ice crystals and thunder instantly spread out at the same time.

"Squeak squeak—"

Two destructive forces spread like poison in the body of the Ninth Heaven Demon King. Almost instantly, the body of the Ninth Heaven Demon King turned into a ball of indescribable black objects. In this dark object, black air kept trying to escape, but with the joint efforts of the Ice Lotus Pill and the Heavenly Thunder Pill, the black air was instantly completely destroyed as soon as it appeared.

"Emperor Xuan! You shameless villain! Even if you completely destroy me, I will not disappear! A ninth heavenly demon king will appear again in my clan! At that time, it will definitely avenge me! Humans! You hateful humans!" A shrill wailing sound continued to come from the dark things. In the end, the sound became more and more low as the dark things dissipated, and in the end, it was almost inaudible.

As time passed, the last trace of darkness left in this space finally disappeared completely. At this moment, the Ninth Heaven Demon King completely disappeared between the world.

"call--"

At the moment when the Demon King of the Ninth Heaven completely disappeared, Du Fei's face turned pale, his body trembled, and he almost fell in the air in an instant. His true energy had been consumed completely at this moment. Fortunately, Du Fei is a powerful man of Danwu dual cultivation. At the moment when the true energy was consumed, he instantly mobilized the mental power between the small world between his eyebrows, so that he would not make a fool of himself at this time.

However, although he was extremely weak, Du Fei's expression was extremely excited at this moment. It was unimaginable to participate in that level of battle. Although he could not understand many things in that kind of confrontation, it could not prevent him from recording those things. These things would be unimaginable valuable experience for the future martial arts path. Maybe at some point, it would make his strength soar naturally. Moreover, the battle just now also allowed him to fully understand the power of the Demon Suppression Art. After using it once, Du Fei discovered that this so-called Demon Suppression Art should be a skill after the integration of martial arts and elixir skills. It is a bit difficult to distinguish what it is, but its power is unimaginable.

After a moment of excitement, Du Fei slowly let out a sigh of relief, and then the mark in his hand quickly dispersed. After a moment, the ice lotus pill that shot out turned into a silver thread and rushed back, throwing into Du Fei's mouth.

"My friend, thank you so much this time!" At this moment, the Xuan Emperor in front of him had already waved his hand and took back the Thunder Pill. His gaze carefully scanned the surroundings for a while, and confirmed that there was no black aura left. After the Ninth Heavenly Demon King was completely destroyed, he turned around and smiled at Du Fei.

Upon hearing this, Du Fei also smiled bitterly and said softly: "My thoughts are not that noble, but I just want to ask for wealth and honor in danger."

Emperor Xuan was slightly stunned for Du Fei's unconcealed statement, but then smiled and said lightly: "You little guy is different. When ordinary people wait here, they always say a few words of scenes. You don't give me any face!"

Du Fei shook his head and smiled: "In front of seniors, such scenes are meaningless, so it's better to tell the truth."

"Your kid's temper is quite in line with my appetite. If it weren't for the fact that there was only a ray of divine thought at this moment, I would have said that I would give you a fortune, which would be a pity..." Emperor Xuan narrowed his eyes and stared at Du Fei, and sighed softly after a moment.

Hearing this, Du Fei was slightly stunned, and then he clasped his fists for a moment and said, "No matter what, thank you for your senior. Besides, the Demon-Suppressing Art that you just donated just now is a great fortune. I dare not ask for too much."

"Haha, since you can think so, I won't say anything more. Speaking of which, my divine thoughts can still remain at this moment, which means that my body has not fallen... Little guy, if you can meet my body in the future, then I will repay you today's help." Emperor Xuan chuckled.

Hearing this, a hint of astonishment flashed through Du Fei's pupils. These peerless powerful men who have existed in ancient times are indeed extremely terrifying existences. Just looking at the Ninth Heavenly Demon King who has been sealed for so long, it is conceivable that this is unknown many young things, but the Xuan Emperor has not yet fallen. This is just like the Nine-Peak Heavenly Emperor back then. However, Du Fei was quite puzzled, that is, these powerful men of this level obviously surpassed the scope of the Martial Saint Powerful Ones, but such powerful men did not leave any name in the world. This is really puzzling. Of course, this is not ruled out that the level of contact with him is too low and he is not qualified to understand the possibility of these things.

"Little guy, I don't have much time left, but I think there is one thing that I must remind you." After staring at Du Fei for a moment, Emperor Xuan continued to say lightly.

"Please give me advice, senior." Du Fei hurriedly bowed.

Hearing this, Emperor Xuan nodded slightly, and then his vision became a little dazed for a moment, as if he had remembered some past events. After a moment, he said softly: "I have not yet figured out how the great changes in the world that year have happened. Even today, most of the extraterritorial demons have been wiped out by us humans, but I understand that there must be some extraterritorial demons remaining and hidden in this world. The purpose of these extraterritorial demons should be to destroy all the heaven and earth Yuandans and promote the destruction of the world again. Therefore, for them, you are like the world.

The owner of the Yuan Dan is the thorn in his eyes and the thorn in his flesh. Moreover, in addition to the Yuan Dan of Heaven and Earth, you now have the Demon Suppression Art. Perhaps they would not care too much about you before. But once you know that you have learned the Demon Suppression Art, those guys will definitely not let you go! Because, even if they are just a Yuan Dan of Heaven and Earth, they are not afraid. The Demon Suppression Art plus the New Year's Day of Heaven and Earth are their absolute nemesis. Therefore, when you have not really grown up, whether it is the use of the Yuan Dan of Heaven and Earth or the Demon Suppression Art, you must be very cautious, otherwise you will be devastated at any time!"

"Thank you for your reminder!" Hearing this, Du Fei took a slight breath of cold air. He already understood the difficulty of these extraterritorial demons, so he understood that if those extraterritorial demons in the world had their ideas on him, he might not have ended up much better.

"You can do it if you have the clue in your heart. Although your strength is average, with your current methods, ordinary demon envoys will not be your opponent. However, if you encounter such an opponent, remember to completely destroy the opponent and eliminate the troubles." Emperor Xuan smiled, "As for that demon general, there should not be much in the world, let alone that demon king. Therefore, you can act cautiously. In short, be careful! "

After Emperor Xuan explained another sentence, he immediately thought about it and then whispered: "Okay, the nonsense time is over...I think, next, what you want most should be it?"

After saying that, Emperor Xuan stretched out his palm and a heart-sized pill appeared in his palm. The pill was composed of thunder, constantly emitting bright lightning.

"Yes!" Hearing this, Du Fei did not hide anything. He worked hard to enter the Dead Sea Ghost Forest, and what he did was this Heavenly Thunder Pill. Because Du Fei knew that after obtaining this Heavenly Thunder Pill, his strength would definitely improve by leaps and bounds! So, at this moment, he answered without any hesitation.

"Hahaha." Hearing Du Fei's words, Emperor Xuan smiled faintly and said softly, "Little guy, I admire you so much, but you may not know that things like the heaven and earth Yuandan are usually born between heaven and earth. They are not only domineering in power, but also almost incompatible with each other. It is indeed beyond my expectations that you can get an Ice Lotus Pill, but if you want an extra heaven and thunder pill, then in the process of refining, you may die directly because you cannot balance the power between the two heaven and earth Yuandans... Do you know this?"

"I know this." Du Fei nodded slightly, "However, the boy has a method called the Mixed Pills method, which has a certain chance to put the Heaven and Earth Yuan Dan in a equilibrium state and even merge with each other."

"Oh?" Emperor Xuan was also slightly stunned when he heard this, "Do you mean one of the methods of borrowing alchemy? I have never heard of it. How can I borrowing alchemy methods to borrow more than two kinds of elixir power at the same time, even if it is ordinary elixirs, but since you have confidence, then I will not hinder you from trying it."

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Chapter completed!